F 150 2WD Pickup V8-4.6L SOHC VIN W (1998)
Camshaft: Testing and Inspection
Lobe
Lobe Lift
1. Use a Dial Indicator With Bracketry to measure camshaft intake lobe lift.
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Rotate the camshaft and subtract the lowest indicator reading from the highest indicator reading to figure the camshaft lobe lift.
2. Use a Dial Indicator With Bracketry to measure camshaft exhaust lobe lift.
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Rotate the camshaft and subtract the lowest indicator reading from the highest indicator reading to figure the camshaft lobe lift.
Lobe Surface
1. Inspect camshaft lobes for pitting or damage in the active area. Minor pitting is acceptable outside the active area.
